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  • Eratosthenes - Wikipedia
    Eratosthenes of Cyrene ( ɛrəˈtɒsθəniːz ; Ancient Greek: Ἐρατοσθένης [eratostʰénɛːs]; c 276 BC – c 195 194 BC) was an Ancient Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist He was a man of learning, becoming the chief librarian at the Library of Alexandria
  • Eratosthenes | Biography, Discoveries, Sieve, Facts | Britannica
    Eratosthenes, Greek scientific writer, astronomer, and poet, who made the first measurement of the size of Earth for which any details are known He was also the director of the Library of Alexandria His only surviving work is Catasterisms, a book about constellations
  • Eratosthenes - World History Encyclopedia
    Eratosthenes (l c 276-195 BCE) was a Greek astronomer, geographer, mathematician, and poet best known for being the first to calculate the circumference of the earth and its axial tilt
  • Biography of Eratosthenes, Greek Geographer - ThoughtCo
    Eratosthenes of Cyrene (c 276 BCE–192 or 194 BCE) was an ancient Greek mathematician, poet, and astronomer who is known as the father of geography
  • Eratosthenes Facts Biography | Famous Mathematicians
    Eratosthenes was a mathematician and astronomer from Greek antiquity His work helped lay the foundation for many of the brilliant advanced concepts in math and science in the modern era He also served as a distinguished and innovative geographer
  • Eratosthenes (276 BC - 194 BC) - Biography - MacTutor History of . . .
    Eratosthenes was a Greek mathematician who is famous for his work on prime numbers and for measuring the diameter of the earth Eratosthenes was born in Cyrene which is now in Libya in North Africa
  • Eratosthenes: Life and Major Accomplishments of the Ancient Greek . . .
    Eratosthenes of Cyrene (c 276–c 195 BC) was an Ancient Greek polymath renowned for his contributions to mathematics, geography, poetry, astronomy, and music theory Eratosthenes was the son of Aglaos, residing in Cyrene, which was established centuries earlier by Greek settlers
  • Eratosthenes - Simple English Wikipedia, the free encyclopedia
    Eratosthenes of Cyrene (276 – 194 BC) was a 3rd century BC Greek mathematician, geographer and astronomer He was head of the Library of Alexandria from 240 BC until his death: this was the most important library of the ancient world
  • Eratosthenes of Cyrene (ca. 284-ca. 192 BC) -- from Eric . . . - Wolfram
    Eratosthenes of Cyrene (ca 284-ca 192 BC) Consummate Greek scholar whose status as second best in each field earned him the nickname "Beta " He served as librarian at the great library in Alexandria, and wrote works of mathematics, geography, philosophy, and astronomy
  • Eratosthenes - New World Encyclopedia
    Eratosthenes (Greek Ἐρατοσθένης; 276 B C E – 194 B C E ) was a Greek mathematician, geographer and astronomer His contemporaries nicknamed him "beta" (Greek for "number two") because he supposedly proved himself to be the second in the ancient Mediterranean world in many fields





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